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电网技术  2009 

以对称反对称分裂预条件处理GMRES(m)的不精确牛顿法潮流计算

, PP. 123-126

Keywords: 潮流计算,对称反对称分裂,广义极小残余法(GMRES(m)),预条件处理

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Abstract:

针对大规模电力系统修正方程式高度稀疏的特点,研究了一种基于对称反对称预处理的不精确牛顿法。利用矩阵的对称反对称分裂,提出一种新的预处理子,并将其与GMRES(m)算法相结合,改进潮流计算的收敛性和收敛速度。IEEE300节点系统的计算结果验证了所提算法的有效性。

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